If the symptoms are not too serious, it may be caused by cold in the stomach. It is recommended to observe and keep the stomach warm, drink more hot porridge and hot water. It is recommended that you eat light, soft and easily digestible food and avoid spicy, stimulating and cold food. If the symptoms can be relieved, no medication is needed. If the symptoms cannot be relieved, you need to go to the gastroenterology department of the hospital and cooperate with the doctor for gastroscopy and other examinations to confirm whether the symptoms of nausea and vomiting are caused by chronic gastritis. If you have chronic gastritis, you can take domperidone, vitamin B6 and gentamicin under the guidance of your doctor for symptomatic treatment to relieve the symptoms. Also pay attention to rest to avoid strain and stay up late, develop regular habits, eat on time and do not overeat.